Which of the following statements is true?
1.both unicellular and multicellular organisms are at risk of having too much water entering their cells if they are exposed to water containing no salts.
2.only multicellular organisms have structures that enable them to regulate excess water entering their cells.
3.unicellular organisms can protect themselves against too much water uptake by closing their membrane channels that allow water transport.
4.unicellular organisms, but not multicellular organisms, must deal with the movement of water by osmosis across their cell membranes

4the indian leaf butterfly has traits that allow it to resemble a leaf. the bright colors of the monarch butterfly indicate that the butterfly tastes bad and can be poisonous. how does the appearance of these butterflies them to survive? f the indian leaf butterfly is able to avoid predators while the monarch butterfly warns predators away. g. the indian leaf butterfly frightens predators away while the monarch butterfly poisons predators before they can eat it. h both butterflies rely on camouflage to avoid predation. j both butterflies cooperate with one another to avoid predation.

Contrast how pollination is different among gymnosperms and angiosperms.

Which best describes carbon dioxide’s path out of the body